package com.cn;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.support.EncodedResource;
import org.springframework.jdbc.datasource.init.ScriptUtils;

import javax.annotation.PostConstruct;
import javax.sql.DataSource;
import java.sql.SQLException;

@SpringBootApplication
public class DbInitApplication {

    public static void main(String[] args) {
        SpringApplication.run(DbInitApplication.class, args);
    }

    @Autowired
    private DataSource ds;

    @PostConstruct
    void execSql() throws SQLException {
        run("sql/account.sql");
        run("sql/order.sql");
        run("sql/seata-server.sql");
        run("sql/storage.sql");
    }

    private void run(String file) throws SQLException {
//        sql文件路径封装成普通资源对象
        ClassPathResource cpr = new ClassPathResource(file, DbInitApplication.class.getClassLoader());
//      资源对象，封装成编码处理的资源对象
        EncodedResource resource = new EncodedResource(cpr);
//        链接数据库，执行SQL脚本文件
        ScriptUtils.executeSqlScript(ds.getConnection(), resource);
    }
}
